docs: def _getAuthenticated(self, browser, url):
          """
          Getting authenticated.
  
          This method may be overwritten.
  
          TODO: update to version 2 of the wrappers.
  
          Args:
          -----
              browser: The browser in which the user will be authenticated.
              url: The URL to get authenticated in.
  
          Return:
          -------
              True or False.
  
          Raises:
          ------
              NoCredentialsException: If no valid credentials have been found.
              BadImplementationError: If an expected attribute is missing.
          """
          # check if we have creds
          try:
              if len(self.creds) > 0:
                  # TODO: in choosing a cred there is an uneeded nesting of arrays
                  c = random.choice(self.creds)[0]
                  # adding the credential
                  browser.setNewPassword(url, c.user, c.password)
                  return True
              else:
                  raise NoCredentialsException(str(self))
          except AttributeError as e:
              raise BadImplementationError(str(e))